2008 Lexus GS450h low oil pressure

500
5-2. Steps to take in an emergency
GS_HV_U
June 19, 2008 1:15 pm
If a warning message is displayed
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warnings indicate the possibility of damage to
the vehicle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Wa r n i n g m e s s a g eDetails
(Flashing)
Abnormal engine oil pressure. The warning light may turn on if the engine oil pres-
sure is too low.
Malfunction in the hybrid system.
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Multi-information display
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
If any of the warning light turns on again after performing the following
actions, contact
your Lexus dealer.
GS450h_HV_U.book Page 500 Thursday, June 19, 2008 1:44 PM

5
When trouble arises
507
5-2. Steps to take in an emergency
GS_HV_U
June 19, 2008 1:15 pm
Wa r n i n g m e s s a g eDetailsCorrection procedure
The engine oil level is low.Check the engine oil level,
and add if necessary.
Low tire inflation pres-
sure.Check the tire inflation
pressure, and adjust to the
appropriate level.
(U.S.A. only)
The engine oil should be
changed.
Check and change the
engine oil.
Comes on approximately
5000 miles (8000 km)
after the engine oil is
changed (and the oil
maintenance data has
been reset).
GS450h_HV_U.book Page 507 Thursday, June 19, 2008 1:44 PM

575
6
Vehicle specifications
GS_HV_U
June 19, 2008 1:15 pm
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Intuitive parking assist
• After reconnecting or changing the battery
• After changing a fuse
P. 5 1 2
Engine oil maintenance
data•After changing engine oilP. 4 2 5
Tire pressure warning
system
• When rotating the tires on vehicles differing with front and rear tire infla-
tion pressures.
• When changing the tire inflation pressure by changing traveling speed
or load weight, etc.
• When changing the tire size.
P. 4 3 7
After reconnecting or performing maintenance on the 12 volt battery, the
hybrid system may not start. ( →P. 431) Also, the following items must be
initialized for normal system operation.
GS450h_HV_U.book Page 575 Thursday, June 19, 2008 1:44 PM

591
Alphabetical index
GS_HV_U
June 19, 2008 1:15 pm
TransmissionIf the shift lever cannot be
shifted from “P” ............................... 529
Mode select switch ............................ 143
“S” mode .................................................. 144
Transmission .......................................... 142
Trip meter..................................................148
Trunk Opener...................................................... 55
Trunk light ................................................ 56
Wattage ................................................. 552
Turn signal lights
Replacing light bulbs ........................474
Switch ........................................................ 146
Wattage ................................................. 552
Vanity lights Vanity lights .......................................... 363
Wattage ................................................. 552
Vanity mirrors........................................ 363
Variable gear ratio steering .............. 201
Vehicle dynamics
integrated management .................. 201
Vehicle identification number ........ 545
Vehicle load limits.................................. 214
Vehicle stability control ..................... 200
Ventilators............................................... 369
Warning buzzers Brake system ......................................... 491
Downshifting.......................................... 145
Open door .......................................... 493
Seat belt reminder ............................ 493 Warning lights
Anti-lock brake system ...................492
Brake system......................................... 491
Charging system................................. 491
Electric power steering warning light ..................................... 492
Electronically controlled brake system/
Vehicle stability control...............492
Low fuel level .......................................493
Malfunction indicator lamp ........... 492
Master warning light.........................494
Open door ............................................493
Pre-collision system.......................... 492
Seat belt reminder light...................493
SRS airbags...........................................492
Tire pressure warning light ...........493
Warning messages
Anti-lock brake system .................. 504
Brake assist .......................................... 504
Dynamic radar cruise control................................... 502
Engine oil level ................................... 507
Engine oil maintenance ................. 507
Engine oil pressure ..........................500
Headlight................................................. 501
Hill-start assist control .................... 504
Hood ....................................................... 505
Hybrid system........................ 500, 509
Intuitive parking assist .............................. 502, 508, 512
Moon roof ............................................ 506
Open door ........................................... 505
Parking brake ..................................... 506
Pre-collision system............ 502, 508
Refueling.................................................... 511
V
W
GS450h_HV_U.book Page 591 Thursday, June 19, 2008 1:44 PM